.theHeader {
  position: relative;
  display: flex;
  align-items: center;
  height: 55px;
  padding: 0 18px;
  border-bottom: 1px solid #f8f8f8;
  z-index: 10;
  .logo {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    flex: 1;
    & > img {
      max-height: 80%;
      max-width: 80%;
    }
  }
  .undis {
    position: absolute;
    left: 0;
    clip: rect(0 0 0 0);
  }
  .btn {
    width: 70px;
    height: 26px;
    margin-left: auto;
    margin-right: 14px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
  }
  .icon{
    width: 20px;
    height: 20px;
    :global{
      .van-icon__image{
        width: 100%;
        height: 100%;
      }
    }
  }
}
.theHeader.light {
  background-color: #fff;
}
.theHeader.dark {
  background-color: rgba(0, 0, 0, 0.6);
  border-bottom: 0;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}